Home / 28,044.45-42,065.75-11,400.01

Finding the Fourth Proportional to 28,044.45, 42,065.75 and 11,400.01

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Solution

The fourth proportional to 28,044.45, 42,065.75 and 11,400.01 is: 17,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.45 : 42,065.75 = 11,400.01 : x
  2. Step 2: Convert to fraction form
    28,044.45/42,065.75 = 11,400.01/x
  3. Step 3: Cross multiply
    28,044.45x = 42,065.75 × 11,400.01
  4. Step 4: Simplify right side
    28,044.45x = 479,549,893.99
  5. Step 5: Solve for x
    x = 479,549,893.99/28,044.45
  6. Step 6: Final answer
    x = 17,099.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.